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Garden Tractors Discussion Forum

Re: Coil on Kohler 15 hp. engine

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Author  [Modern View]

07-31-2013 13:28:56

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Make sure the magnet on flywheel is strong. Put coil back on with plug touching the engine. .010(business card) airgap. Leave kill wire disconnected. Crank engine and check for spark. Use a brand new sparkplug for this test too.

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Keith Molden

07-31-2013 14:08:24

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 Re: Coil on Kohler 15 hp. engine in reply to rrobert, 07-31-2013 13:28:56  
I've got the engine off the mower. Mouse had built a nest on the coil and flywheel (what a mess) I have a test plug that I connect to the plug wire, it has a clip on it to hook to ground. Which wire is the kill wire. I haven't been in to one of these newer Cubs so I'm kinda lost. Thanks for the help, Keith

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07-31-2013 14:42:28

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 Re: Coil on Kohler 15 hp. engine in reply to Keith Molden, 07-31-2013 14:08:24  

Should only be one small black wire connected to the back of the coil. It should also be the only wire that will disconnect from coil. The sparkplug wire will not come off coil without doing damage.

Center of coil near sparkplug wire.

Or are you talking about a car type coil?

Test for power with engine installed.

First thing to do is clean the points. Then test coil while on engine using a test light. Or, swipe the coil from your neighbors old Ford truck and see if the engine will run.

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Keith Molden

07-31-2013 17:24:54

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 Re: Coil on Kohler 15 hp. engine in reply to rrobert, 07-31-2013 14:42:28  
God, I knew that. These senior moments are beginning to become just a little longer than moments LOL. thanks, Keith

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07-31-2013 20:59:51

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 Re: Coil on Kohler 15 hp. engine in reply to Keith Molden, 07-31-2013 17:24:54  
Just remembered. If the plug wire is chewed, tape it with electrical tape and test as mentioned above. The mouse nest is usually damp enough to ground out the sparkplug wire. Could be the issue you are having.

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